.qr_code_box{
  width: 100%;
  height: 100%;
  padding: 50px 0;
  text-align: center;
  position: relative;
}
.qr_code_box .close{
  width: 14px;
  height: 9px;
  text-align: center;
  cursor: pointer;
  font-size: 36px;
  font-weight: bold;
  position: absolute;
  top: 0;
  right: 50px;
  color: #333333;
}
.qr_code_box .class_name{
  font-size: 32px;
  color: #333333;
  font-weight: bold;

}
.qr_code_box .code{
  font-size: 16px;
  color: #333333;
  margin-top: 15px;
  margin-bottom: 20px;
}
.qr_code_box .code div{
  display: inline-block;
  font-weight: bold;
}
.qr_code_box .code .class_code{
  margin-right: 10px;
}
.qr_code_box .code div span{
  display: inline-block;
  color: #F88A99;
  margin-left: 5px;
  font-weight: normal;
}
.qr_code_box .code_img{
  width: 520px;
  height: 507px;
  background-image: url('/assets/img/rollIndex/daerweima.png');
  -webkit-background-size: cover;
  background-size: cover;
  background-position: center;
  display: inline-block;
}
